Strategies for Controlling Ozone-causing Emissions

Control Strategy Tool (CoST): part of EPA's Emissions Modeling Framework (EMF). CoST models the emission reductions and engineering costs associated with control strategies for point, area, and mobile sources of air pollutant emissions

Submit SIP to EPA for Approval

Once the SIP meets completeness criteria, and is submitted to EPA, the state issues a state notification and allows for comment. Then after a final notice, implementation begins (adoption of SIP elements). Note: this begins before the SIP has been finally approved.